The Colorado 400i offers anglers shoreline details, depth contours and boat ramps for U.S. inland lakes and navigable rivers. The Colorado 400c is your coastal companion, providing chart coverage for the coastal U.S. and Bahamas. The Colorado 300 features a worldwide basemap with shaded relief. The Colorado 300 has a suggested retail price of $499. The Colorado 400t, Colorado 400i and Colorado 400c have a suggested retail price of $599. For more about the Colorado see www.garmin.com and www.garmin.blogs.com. And there's more... Colorado users will be the first to experience Wherigo™, the newest GPS-based activity from Groundspeak, the people who made geocaching a worldwide phenomenon. Wherigo (pronounced "where I go") is a toolset for creating and playing location-based multimedia experiences in the real world. Garmin's new outdoor GPS unit is the first commercially available GPS unit with the Wherigo Player built in to the device. http://www.wherigo.com/